The document defines the action genre as one where fast-paced movement and exciting events occur, including fights, deaths, and use of weapons. It lists some common conventions of action movies, such as car chases, running, fights, and good and bad characters. Examples are given of popular action movies that feature these conventions like Transformers, Taken, and Fast and the Furious. Some movies are considered hybrid genres that combine elements of action with other genres, such as crime, as seen in the Fast and Furious franchise.